Cheapest return flights from Basel to Seoul in September from 553€

AirHint found the following cheapest return flights from Basel (BSL) to Seoul (ICN) in September 2025 (see full year).

Return flights

08 Sep - 23 Sep KLM
22 Sep - 07 Oct KLM
24 Sep - 10 Oct KLM
01 Sep - 15 Sep Lufthansa
07 Sep - 09 Sep easyJet
09 Sep - 14 Sep easyJet
06 Sep - 20 Sep KLM
07 Sep - 18 Sep KLM
10 Sep - 24 Sep Turkish Airlines

Also check the deals for one-way flights from Basel to Seoul in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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